{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73269869",
    "entityType": "User",
    "nonce": "0x963381c63734438c369dc768d0c6919cf9956c05fe361085ea4500f774436e8e",
    "signature": "0xae09946ac57e858702f72b55d08a9fbf687257b14c508b34de30f22223d0c2e022564ba72e22c44ad06cf350ae99d2c66b821eda750c976f5353c52d109c85281c",
    "signer": "0xe50EaEA0C5b4ece269b00Ce68e701106f01b7864",
    "userId": "926662648"
  }
}