{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1813",
    "entityType": "User",
    "nonce": "0xea0649b831cb2b3535f78624ee303eb727b4246e6cc2dc26654604b20acd5010",
    "signature": "0x4e9ccd4ac5b10c39f3a7c616ee28620c19495108e6c8d5d1970e6b6be4b7f60e2799f6b59769a49fbe232fb676773a2a9fad0df5987380af707290d71a48b47c1b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}