{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184573",
    "entityType": "User",
    "nonce": "0xf7c48afd7cbc5641c604379b27841b62b6b0e748193e05657773ecb56a166bd9",
    "signature": "0x0b11ae264f16bf2af8fac43ffb0ab8672ea89288773461aecb70d880424ede2d139e4b6af12766f9ff33e0cce77240f09b23eeae4b2d7c8402103a55cac515051c",
    "signer": "0xcDC5E914F812B1eE07758dbC6A1B0a6fb011e25F",
    "userId": "266522"
  }
}