{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x0a3ee6ebc4106b7e4d79f7f25b4a061ddd5395fba16558decf4bf1016e0543e6",
    "signature": "0x5127104a48d34b1ae1a9d0c34c7a196934037103979697c0c6ffd78e7d47b81d12c3fca740b714d19ec0628cd58eda677a3b98572db334b90b16afb3d8cff4361b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}