{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108562",
    "entityType": "User",
    "nonce": "0xe036b3f57ce35373709f742bdbdd6f44189813c7e45768112e952cf5dd6e339c",
    "signature": "0x6712042e19a571b4d57a75273a7e375ae3db1c33f19b8eb685fed0d171eeb2ff69669f33f812b584a40ab70c1542ec8d156f1400778083823ec4c50bdaaee0ca1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}