{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136478",
    "entityType": "User",
    "nonce": "0x34d21ff279fc8f0c04a8872e2a6e3b231237b8d3fc8e43001f0616545f1ba83a",
    "signature": "0xc506b7ad1379676106d620e8462a4174f5eb363139d49e1116a9707170093d5b6ac725155a3c1e41a3f76e9b13bfa5b08f623a75838e2927539d69f55791917a1c",
    "signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
    "userId": "633924738"
  }
}