{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78225",
    "entityType": "User",
    "nonce": "0x451b7b9efa3ea09fe08d82a265bafc3cefc50ec3beab5282ad0a81043fabf3b5",
    "signature": "0x853f812c2f62ffc73cdbc4078a1bb2acd7b8dc719d421a7daa296cd350bd5f1c7082b73e772759b9b302328ad9ba2eab4e9db1181c12ceacafd00d8d608601db1b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}