{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341366",
    "entityType": "User",
    "nonce": "0x6b275c368e2204c741948f01cc534248d5df2472c9cec658b20a7faa29c342db",
    "signature": "0x3bc19afd3be5175d336e44c57b763d779c7729b1b3a25b96b850c73bf1d5601d0394172bf3a4f13d3ed9ee490af64169ce2f3e2920cba4a5c29e27bcf200a0151c",
    "signer": "0x813f5835f89886d207B80d05426Ee883357a84E0",
    "userId": "934354675"
  }
}