{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x8d1b8af80b524434d01aa19f8680ab86889fdbb7ed6efa9b94cd972ad90d9db9",
    "signature": "0x1f11db0ff7ee6eb8853c38d6b97e069205870bdc3d64782ef7e8a1bb89d67b8b4ebae2ceb51389f9ccb1f1962aa356c2d749db7bdc5b1449d3b590f2eb2d5acc1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}