{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe6e81b5973924857d80c92536d2a100aea3b6514c67e993047c063dd961f34a8",
    "signature": "0x2f6e2af675d2d33a6d7ac4adfa6043e93b9c460d14da3df0b37ca961ff72f6a465c705c853b4983a0682f0ea3f4675b13a3a1aeaa2fd75795340914b972200f71b",
    "signer": "0x977F3f101C3c926E8bfE22f6bb935AeC1C93c3ac",
    "userId": "648747566"
  }
}