{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965042984",
    "entityType": "User",
    "nonce": "0x6b5badca29a7a1fc1cb499170078838c64d5b397d87a4db3bcfb556af54015c1",
    "signature": "0xa1c435c988aac3f7fc8e1314122ff48edebea8edd5cc691716c0277f8608f6e9474959dd6d73b99c380435de6b82c358c70ef5e3d89d925648ee263ca7057d821c",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}