{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x1e848926b95ffadde10f36260c59bb4169bea7166cd0ec531e1bb99fd0c9d24f",
    "signature": "0x244374620dbf9bc02cf0c6cb42d62680682c8b69de4f198e6bb35f409170a1361e2d0fb8c1d7875c4475832c00c2e05b93be7c726e122efcaacdd161243a631a1c",
    "signer": "0x5fE3FF7c0F8687a8c710209009A441B4DD682597",
    "userId": "692224471"
  }
}