{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50097",
    "entityType": "User",
    "nonce": "0x4fb351136c26018827f52e93a490ad567f92c95badcc67a25300547457646c54",
    "signature": "0x0f40cdcf00d5ae78c847a5858695e148251fbe27ea21933b49744c0251cac25b32a91b077b92cb4164d277d72cfa49e0b7112858a505a5c80f953d9ca2fc7cdb1c",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}