{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62608",
    "entityType": "User",
    "nonce": "0x66730db027d05670f5a860f1438b16e08959ff023e15715fb01abfede943f351",
    "signature": "0x7bd0944319f9ec3a9a9ff4076854d92ff831b06810d04996349f28ce871b7d0776b8c6bb350e41b0e33f30009f04b6f76e34247b7a5e40fa60341daf8a74c02b1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}