{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0x0725dc24785fbeed0a252e6fa46355322299fd755f060bdf5f8ec0bf655a75b9",
    "signature": "0x7d03a9cd3039d32d177c7b13822c7bdd45e7efe3f2cc8dcb7fed5263d551dec56b1f28cec8c676385ada8ea2b4c4dd88e118a5f415686224b9b10e43df78ea791b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}