{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1112",
    "entityType": "User",
    "nonce": "0xe8a661a915846fa9ad6ea0fcfe601375041f092e5944e9f07dad8ab74392c3c2",
    "signature": "0xf1bce070d6146834e86c690c7b3176c46eca14910cace5d387b08b6c4da09a191e0b9de7c625154c510fde4581cb2ea08dcefc5d497683b6d0c102d69d2218071b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}