{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80757",
    "entityType": "User",
    "nonce": "0xc9f56f2db5469247bf5b6a9d6f7a2aad9ca222b1d590d8177cb6c6ff9f780bde",
    "signature": "0xb62777c67ed0e422bb12ca2302b267ed3ca6b55dee206fe624b10be4f9f96abb001dea679a3126d6e231640f1b6ad241e1d359d0634d223fb1c1e83bcbf76d361b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}