{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x293c1b8dbeda9c6a6b63bc50f10857a25f43671a5cfbfb340212adcb52c1fa77",
    "signature": "0x1af9c1dde31e007370ddc68cea073534f74ca29e5ab0ee10f2fdd0a2e53f49ee13ff6a11248513423ff0da1137a06f87e31fb1c7c89f19d432e32abf5f47be901b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}