{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71333",
    "entityType": "User",
    "nonce": "0xa831089dda4a20cb520e02709096e5d724f8d34048e0f3d190a60ef954918b8d",
    "signature": "0x1ea8986376b9b9b59906a5d663021dfabcd9fc7cee853fbd09013cc649c40e9c567b7e8e4a31035af06653b6c5af2d5ec310353729bfde1bc26a04db7f27fbba1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}