{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108179",
    "entityType": "User",
    "nonce": "0x8575a963e84d6d31fbdfe07dda3b1273ea75455eafc3ba5a100930d1f9d9c39c",
    "signature": "0x42df8cfe6d7b1aae73cb63909ad5cfc3fe501714312013191c887add47106bf012bb475763eec55997cb4261daa870349289ab1fa23188a922b4e85495fefa801b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}