{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310089",
    "entityType": "User",
    "nonce": "0x081d98de75577d02dcc2923f14f67ed52890f158988e6b65d8050e9701b095b9",
    "signature": "0xb5cb7e96dab74a642e4665602b6ba1d82ebb48a8f47efd0d65bc5f8ff07fc2537d24c27de1d5e93a2cac6e9e30ffbac8579c3f77f42268d5417cd46ed3b097121b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}