{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x10c2e59ffc928a15138bab4d31868f57999b3b30b534249f5aaaa7ce310772c8",
    "signature": "0x8295e54daa07551d2661e139206fd90410541ead98c93c939013cef76aba3cf9080ac630e2b3143219642c02e1ce1c9b9204defff56b111b72f0b839726c17211b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}