{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x282414d2754afc2a687231d486f4c24c9a42a3d3c31ff2db229391ac09426995",
    "signature": "0xc8bdc1090ccc7cde71c34a69f6a3d86aa45dceef54893702805d29c97892ff9358cc6e3386b51af19b8e8e308a37a6118abcbaf85bae48fffc15af6cac3b3e9b1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}