{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x53cd0b0960869bf88df315edcc5fecb90a206e4cd28a1246a4884107cd59f319",
    "signature": "0xbc4dca0800c35626af72422fadde8a2de77e2b445b769a5745867dffacbe34a52bab6ecb03ba45c2b8afa7db350a3cc955648cf25db925b3b3efbdaa1135cab01b",
    "signer": "0xC06E04BCf9bB6499714eb77Aca5583c70cF9F5a9",
    "userId": "226221804"
  }
}