{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764750175",
    "entityType": "User",
    "nonce": "0xba85eb5e44cab2c0a4e9f17e6d22db6f5be4c8048251bd9eaf96a3267b44bdb2",
    "signature": "0x1c4e8a9281d79940fc35d571d10c6217f1fc9102e950eafd2fa5382d064ecbc740caa59aeb2fc05cfec9260e396ffb8d3a0391af3827976589b0a28507038ca81b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}