{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0xe6256ae55366be3995b140c3ced96f0d3a182326d95c2f646072331034120162",
    "signature": "0xcaff9281918d1fad3a68cdaf142a1e4491d39541d70c1d90a1d288bb8d32321c2c0008f250781c848ca25555f522de097682b003c248ccf76d23c30e9f0e19311b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}