{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107971",
    "entityType": "User",
    "nonce": "0xa10a328019ebbfdf65bbc479053fa954169d53321115a1c7656b875b5dda1919",
    "signature": "0x6d063d4a1d834bf959321d4b9f4871f4c526be320fe7045e8ae6ea353ba10d1a112572aa7763d48386a20c0fa4cf7e449eaccaac0ccffea1922887c877024d971c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}