{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x0bf88e5303464a21f31f29dce6034f2b4188e07ed1bec1b39f4ef310f4f7712e",
    "signature": "0x879379da4d5eb0c50737a38eccdf931094613bb9fed1f04d218a9a5872f4a7fc6cc168a78c5c269b382f512c7d39d465c5235d927ca1d66f0aca96d69bd1e6261b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}