{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe83478866f9b8e736aef9c07fd033394b7075b2774e516b3bb940f07d177c502",
    "signature": "0x1944fd622b47d21e97cbc90b89231fedd9a1c46327128885a465b90713b8e9ad146b5b81d9278d9c3a69b24b13a75b69b14653c9a46ffbb2ad60ce3c4dc5d19b1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}