{
  "manageEntity": {
    "action": "Repost",
    "entityId": "821839388",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74414b7c99823a0196a9b614dc5d305961ca7aa3b63c938f9235b3e8933f58a9",
    "signature": "0x32abd98d1b4e638f0031bb37ca5a849b42e50b2ec0fca3c4883691bb721d839d6a615d73531c2dca5401629b29c773c10d6c87550ffc0f8bb08eebc74f6a307e1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}