{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910778788",
    "entityType": "User",
    "nonce": "0x06ab0518175625c9240e81a7d245fcb1766c46eeedb7d75943d43aa396064dfe",
    "signature": "0x7570e68d9332729190e45a9ae2e8966a9c443d5a29db4aea7cf586029509ee505c26a606ea4a7e8bd10d4974b8ebd59c5772727c7ed8f8ea9868904fd82b05f01b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}