{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0xa373dfbf51b9a9b16f4fe4bf19b897e1c674a7c8eb78084746c7623e96081b21",
    "signature": "0xf224bf1f03057a8ae43d77b458ed73b31cecc88c555c4a8dd5d264ed32d5fb1c36f4a82a5f0fe49902ad1f1d5a18657e28c01eb2e8e30de8b4bbd606d49afe411c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}