{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15676",
    "entityType": "User",
    "nonce": "0x2189347f58893d1699948d9c3c918760ee41a10c4bf87f2c004e4958fcff9ce9",
    "signature": "0x24cf0a3dfbe38c3efac4715d724683ec9f06b71b85b00a7f633456265eb0daab268cd5391d33903de682067bf08174af6d40fb51f021738cc60bf7a28017ba981b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}