{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51674",
    "entityType": "User",
    "nonce": "0x9acd5451842c9b852c813d360f21a092dabe5f8a66503a1516345e4d28fb5296",
    "signature": "0x6b87e94c187ff48e95373afe2815c1097025e8ba92c85da77518b1853793387d018516b5bf21a09962c63a0190f5d55774ccb9df71a6ad8c5085f46ed818651e1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}