{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0xde02bfc6d81d904a3dadc939ac398153f3e1d4c219fb88fcdb5d11ca560a285a",
    "signature": "0x7ff964845aba951eeae2e54e2b682bc7c14f56363ae72f67b8d7a23f384af3680728ee18c7e904da97349db1831fd9cf1324d163b2d3d69df7fe39947e2f8b401c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}