{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722055746",
    "entityType": "User",
    "nonce": "0xfc1592c1bd538c0e1e9da8470cc760e391d2123a168c486f18da70394ba9223e",
    "signature": "0x25b3b11dc55168c741160323db153c40a74421665fefd8392adc10afda2e89402ddbc10849709262c68ee954310a72b0f2a13c000b035dab0cfc0a96641db8341c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}