{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2008787",
    "entityType": "User",
    "nonce": "0x138c71d380bfef4621cb66f4941d39b9f36bacaed6312ddbcfebad2a569e833d",
    "signature": "0xb59cc6dccf92a677c2384200b072d16d020616e6df1f5877d85d0e473a9bc0cd20a66f803f6226ec8dbf7432392627ea889bdac402c5556985c08d6ae22f8d6a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}