{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0xa0b6fff862c7c4b4b03491ccb5880fadfd9c1274201db90b8866e5a2021cc9bb",
    "signature": "0x95e8778b65d7b786dd6ef5d15adcbb26039b342c0cb97b604df478c8f538c82b788d85bce622666cbd3b79a7405e28890fdb2127bfcb25aad6d97727aea301e71c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}