{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa2f38328a4d40fc8b09a30290219e13fdf3f51e73009b7f9853f676db3186289",
    "signature": "0xabe42b0e34b1093134403099068022937ec27e1aeda75a09dc6d2969ff6fa1a840f59a597e24720e0e6f7f6d14f8e47006b2ffcab37556f988e78b14b44540a11b",
    "signer": "0x9fab6F70cf2d3Cf6CF9d410aFFbF2381359eD6A9",
    "userId": "92896385"
  }
}