{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x32d85aa98863ecfa04b5b3f4769eb73b85550639772efe8bbb14636ba3626657",
    "signature": "0xf5ee42528e3f5dfad797ba6b9228231785c57c4ee10686ecf47e271f6457776c59b3626f7143bf1b1bf899cd4a8abc1e92ed4009db7ef1e055879ca9e95e7b701b",
    "signer": "0xE8Ec1bAC66ca573950B30a9B5Bff2793f9CC5C29",
    "userId": "734516636"
  }
}