{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0x51d7ef7d5d6876d0d8406dafd3658d2628d89aa0577230e09aee1305ae4323be",
    "signature": "0xcd55dedd31001087019628a9cad5e5e86cc216e04da90e6c681ed7151e0dd57f1497d2681a1f75400cdcd8b253d4d271f82dce429584ea247bd2d6c22d1697391b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}