{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136776",
    "entityType": "User",
    "nonce": "0x92d40d66180b8adae5a9b933e9ecc17b528838858acf16da6986aa2dbf263bfe",
    "signature": "0x45bfa42a35b316205c2ac453140bc6ed12f97b7db7a4f2c4df9c1043132e6d762238146c322ab751b4e252242492394d2c479a840730dca999eb03bc3cad55351c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}