{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0dd6d30f63f003418f036dbf3b0d3e4ee14eef9a90e00725919e4f35c762bbf8",
    "signature": "0x431c1cc6b2269ec0414630b09780012dbcff7c8b0218835b4493b502f161f4af5671621ccceb9fa82603344de62b6c6a2f4146fb95af48c60a76d2f2acb890371b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}