{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6308",
    "entityType": "User",
    "nonce": "0x1bc318c4f4ee987cf162eb2128d51ef68843e9f98f0d12c5efbbc862c0357bfd",
    "signature": "0xcd16eb6903447869bf0f581c40e4709a7335f46dbfdee6da1839f00a181bf4bf6a699d87e588d6a781b0a168dc6c12cf779aeab894ba6c2b31c5ff6c9c54457f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}