{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x92ffb88c163ae10ef532b69e062dd0f6f98f0e2c3a134e24e6ef775c07ac468f",
    "signature": "0x63f1a7cfd7c70e5ece64cf827bcca3715280ff21a1ec39adc6c15a501622bedd511ed46bcc2518aa0f2fe20f3b38c700fc71b2f06bf1676a2976a38f7c905e991b",
    "signer": "0x862060c02F28f6984692E1Ab0f15419eFdc91D0A",
    "userId": "321032997"
  }
}