{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x9a93e157d80bce799638cbec858051291a957ddb9919fafa723b117ef360b966",
    "signature": "0x60cb011ddce76397dda41202278d977b56609ccccf422b5ab123de9f7a73482249f5053e0160e520610f3a7f42148377596e84e67b48cb020a54a73f4b1995161c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}