{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715573876",
    "entityType": "User",
    "nonce": "0x98eb395c9425d06b0d37cf9e778d88c4fae00503dbd91c077d9c57ddb08bcbbc",
    "signature": "0x906992438aacf2b0eff99159af3bb0ae7e7c48d3f158fbbb2a6913f4f63e426838ef2f410ce10c7e32718564d241a43217f0709cebb3b261f879c06585fdfda01b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}