{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2d7bb47bd9093d89e7a6627ea3869400c7ed8b96f0dcf4124f5ecd68fe6c9fc6",
    "signature": "0x88617d24640fee02a5821a0544267987086e6bf2fe4fdf64157d96b0abeb302308618af8d095434bd2f8585fbfa1a2a0409b23bb7bb875d039211fb6b52ba2971b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}