{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "596",
    "entityType": "User",
    "nonce": "0x250cab9784277a827883faa1b23b035af92cda5984c7f822eed90be520e6a8f5",
    "signature": "0x6c117dd549cf0e6ad2ae00af28ceb2eaf3deb76bda5bc1900cc16dc923dfe2430c1d3acb77ff3066e68206fd1bcf906d7ff2ec58eea02ec90e9c4c076e9f087a1c",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}