{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1706814",
    "entityType": "User",
    "nonce": "0xa14923dd018e84bc0d05fcca3e63fdfdceb23b79305d83ffd4313fb1fb0a7ee6",
    "signature": "0x10ad90c6a2df919a1cd81bb1c6582bcd9972d3e2e259ba396936cde0cf186a696906ebb22cb58034f2cbb019e42337cc9f4d7cb45f337c7d3834f88c4e8028b71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}