{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791539",
    "entityType": "User",
    "nonce": "0xd9db258065c636ee702bf3915cdd2569024de4feb715158e299891460482edaa",
    "signature": "0xf8d58be31b26ee17c6d8e21d247fba11c978e7e3d3be6cecafb99371b41d6eb32ffc7c10d49cf7a6a0eaa81110bb6c097c0362c01371d288613c2917177542911b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}