{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x6bb82fdcb4abbbfdf7b88895fd461cc9f0fec7a5c7ad5731e4049a6469635df8",
    "signature": "0xd79dbd634d4226dde686ddeb0b7068394da62100688852fe7209d1357b6abf777c0fee069cc043819c261181bf5f90e261355992b8cc5ac58cd26ccbebf547401b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}