{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343346",
    "entityType": "User",
    "nonce": "0x0e7ffa0e9ec389d5c23c2f3ea6ca45ff237e3690294d7224a76460ddc855b718",
    "signature": "0xfa42f07a83020f796963bcc32bd16bc77d3ddef7918108335eb74d6c04a1f6cb2cd525fd521100c926c142556affec6ecbee566b04de09d01ddc2777d1f354e51b",
    "signer": "0xa24498458c4D424889FfEaE6EdB476c8E35C41BD",
    "userId": "787951188"
  }
}