{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188966936",
    "entityType": "User",
    "nonce": "0x51fcf0336bf27a10584d7d5f0e817c8bb1f5e0a39a0039d1b2add08632140720",
    "signature": "0x950b931c8d8fdfbe9bb694dc359c7455d3cfb3526cbd72e4edb7f036df26cb75077807ba5f7d4b8c9d873eb1e3159cb88634470cc6a9e67a6fa05c9c0f6b14531b",
    "signer": "0xd71B85b9Bbdabc0f47F10aE30BC3aA8e666e02FC",
    "userId": "484281287"
  }
}