{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x76369a4959945f61c411a3a771d758cc8766b7c25fc3e0015126e2016e041ec6",
    "signature": "0x2fc0d6fbf69314da9941babc0a6b67fbede21f045e92cdfa3b57540640d667912b69816a78e480f5ab04022de8f508d80f92798703e7a87cceefbb0b2d01f6f31c",
    "signer": "0xFf11BDf758Fbf6d7fEb3FDa5D3c58F7E7C720fA3",
    "userId": "49482808"
  }
}