{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44110",
    "entityType": "User",
    "nonce": "0x556e952acbdc5ba2d92d6b3e646d180386ddb71773a7051a7360d562479b0f9e",
    "signature": "0xf88e93d2154672ad599d9dade41971b242d92a2257b6494936785f3721054a58266cef8b84b827264e8ead18768f2beb2ba1cff59f23d6fbcaa3a07ebe053cd41c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}