{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74427",
    "entityType": "User",
    "nonce": "0x440f2b9a76e61165bfc7e40737cb96ad8e447002388e033824e93bcede0c1d61",
    "signature": "0x50a626eed5c1603d9b75c7c0a95105c705d1bed5f4233da236571c7bec4c680f78cd4a49abc6587c9bb0e718bc57f72c19a24f2c47bdf5b5ae2ecb4bff08b7d61c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}