{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0xffd042ac60d839aff7b2d4b8b740da9a75d3dd62552b4ecd4c2364b0f50d1085",
    "signature": "0xf0f370b5dc3ede3ec48c7ea86c7ed4951be1b38d14be1db475deca0374dcfd600ffd882fd8d8aab97768c5728ce46c28641c7667e8d7cf94f728a1c462d4b72b1b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}