{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "788495049",
    "entityType": "User",
    "nonce": "0xdc21970af465796ad0fb8d52c3a56ebc8646358ac6ca03d7279e004caa588321",
    "signature": "0x99d3589e4574323f8a49513855b740a8384fa0fbf4f711cf56ac523a081de3200a41eea9def4f6375bb5a2dc1c173d870ae0a390492ac7067e178f692728ea5f1b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}