{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x10d227d85f881bd075e4da07923e4a80f0499c41acce2649e0110993edf8bbd1",
    "signature": "0x0607207450e080d39119f29c427e80311a819e3ba2529f77a32fc422e0aa0ea85adcd9b685e091864e03c6d328a4468902689ac5276808a9c3570e0830c562421c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}