{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59821",
    "entityType": "User",
    "nonce": "0x7a452ad661a634dc889714a901d785362895bd2d487630aad072e266a0d4c869",
    "signature": "0x1a57d3f9661e75bd65977b0ccc063fcd7e031985be987092ffec26dc57d353c001757de8ec9262545aeeeb9e242b359cf23f8d1b0a7b2354c9fbe2e76c9712841b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}