{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40994",
    "entityType": "User",
    "nonce": "0x8413680728a405c54512d514d8dbb9880b041847edac7c642f06eacda79d6c4e",
    "signature": "0xdde676b2e5f3ef9167edd9ec17aa9661a8d9d751a3d6c5666fd4def58e13c49016fdb4e57b6cb00e5b8cde752ff2b99f877a8e9206f92f76e9e0ddaa60da77541c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}