{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a9044157a7a902cbfc2d7b7d83ad8208e3f9b50c6cffd6b3edf7eba0f67daec",
    "signature": "0xaeca317c6227ec3428bcf40c6b585612b03cbf4a4d104a2b9ef6e6379b01eb607682d01cc32d22b70f637a226c66807fba7c3289eead6eb55e10b0600b8dd65d1c",
    "signer": "0x4af04aD54260F3E5dfDc9242FCe6e7F1e16fd94a",
    "userId": "781697846"
  }
}