{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xbee6e8e3e01d2bec6fd6a366c5e58bf661e067016ade0954d737707fd3ddac30",
    "signature": "0x7edb38e6938b3784750c20a3fea05996ffc57ffdec82416491a09d4df36215e83ca494131df9ecf63925bcad1824824ad33c2bcb0bbef58a9dafebd060a4c4bf1b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}