{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950958674",
    "entityType": "User",
    "nonce": "0xb38112a07c05254a537a3f639e84a7d6f14ae03c37768f69b9bce277f8f1f409",
    "signature": "0x204b4494e2c4f2a84897c6fe3e22d97b0463d31fa0f97d6c13b5ef21806bd3183c34986a801f2ba71b1b2e36d5377518d3d767bc921be8d11736ebf85f3d6b701c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}