{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x56ac4c5a61b58cd1099d4709fe3c5a9de785f18538e2ebc972c7f916a5501e38",
    "signature": "0xdcb2b9dbbf28aceeac6d92e789b6c4d81f27dee03bc217fcd9f0e743d7037116761bb8f8b2e2f39b45ed6f38f6f9ec93523fe2bf7f73c137d73ff557b5a292911b",
    "signer": "0x82f4323A977456669C7a058d66da34142E3A7355",
    "userId": "149862782"
  }
}