{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0xb11beb252d2065347025ed00c361ce202de6d47d2d65bb005022e82a94a735ee",
    "signature": "0x7842689cec884af9a9f78db7b28377aa403e3a16d75d02e2bad391b7ee33fd0230d3a8375d8cc90ee923822569f265d29f32dc962ca48948855c5f5d869e12eb1b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}