{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148384",
    "entityType": "User",
    "nonce": "0x5016ae8d6e541ce540a531fe83920e8ed204996f73ad22faf94e9c384ec1a440",
    "signature": "0xacb16957bfe75b2fdae85e24b487f19b30a6344a47c809d211135d7d8fd2104253430c081d21978c396ffa4ca91a1d0e69d3c647e757eeaa1e182f4ddc4bd59d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}