{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe1dde3c95b19668d577b532452683b6b21b3081fd336092a9ca4ad66e8f605a",
    "signature": "0xbcb6faeab1a3195c99003b0070a560bd755167d33737dfe8e57aa9b3d0b6e21057cddc3da81f19b6e2fe5587c912394accfb7f070ad11faeecb079b63ef7a30e1c",
    "signer": "0xC3e337F140B5763dDffec24D1A410A04080A57Ff",
    "userId": "201554951"
  }
}