{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58450",
    "entityType": "User",
    "nonce": "0xdf0dae9599f50796273d7d0d4928272c34261550cadd68ce88cfdb48bb8c523a",
    "signature": "0x103e5e8a1d2116f5e1c910b790bc208d2f898bd06b8dc1958206200c36436a070af5a5b6382898837b83139a79b06396aca11122688a4467c79962573d1048371c",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}