{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0xb88be07debc50c45b03468e314d4048a82dd7d473465ad068a3bc795386ee346",
    "signature": "0x9241eec4a6ed8231c5b351d56954e9fce57412d5b8677918104254edaf91420f6d799cdc9da1113d7c78180219c4e801eeca5c00063f210d9b0056471d61f2841c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}