{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0xb9ecaa86ef1dfa7ebfcd58a78e1a9911b220d05273e7e9a3f7ffa96c43defbdf",
    "signature": "0xee9833bdcc619e926a31036e2293c1bea647bd95de91a104d8ae92e2abb5bc8d2d71412c5fdbe45d39df29168945c72f8f62a4d9ac2c0ab8161b762fd52c97291b",
    "signer": "0xADBEc7CBdC007B087ebc7ae272f8a3cf42Ea0184",
    "userId": "466377094"
  }
}