{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "701658804",
    "entityType": "User",
    "nonce": "0xc84952fd9238a8beac74c8ec8982cf28d3755393d3c7442804e758bc8158aad2",
    "signature": "0x6231edeb5221e89495a381ac358a7d6657f540dcc7cbbba96641bfcdc828e8b86eabcab277141eccabe3dfd9aa57b74c6f86c62a255f90b66459795edd3196de1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}