{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40566",
    "entityType": "User",
    "nonce": "0x5284ccadb8a8a8db25996017823e99223ff5437406361389145e2bcc53d4a7bc",
    "signature": "0xf42eb6eb2c21a42b874f6d6a897a7fb3d35c3189c7dceac1295293f59f725d8f06dd006cc053ebd9526781af014e1511c73d1d0b7285d8ac45236ad82ec611391c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}