{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x027872a82b57b7e94bbb65ec6bdc8d1e1b9f9ebceacc253665ceb7fcdce760be",
    "signature": "0x82196313b82ca6228677f76cdb05e2114f21c15a75217f8b6fc7eddad9ae1ae57ae046ac5d0a260eac176cb235a5eaa71b0bf35c02b978ec9797995f238096de1b",
    "signer": "0xFc088F13d4a1Ac06F16750acE28481185Dc8c881",
    "userId": "168139737"
  }
}