{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352202",
    "entityType": "User",
    "nonce": "0x102a197121ddee4175fdeb8138518c1e5c3f768183c7f6bf899d0c744629f2dc",
    "signature": "0x1a5b716dbe8f0417f1f66fb728aba7491c33af729334af69a8701aba9f4e74bc5d294dcd868e95af2dfd38c007dd304f05da341e9d2a06858916bb8ffb427f9f1c",
    "signer": "0x3731d7Ae56BB1D34C65FE26AF2C4CC1FeA87B8D1",
    "userId": "226031618"
  }
}