{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1446535",
    "entityType": "User",
    "nonce": "0xabb327d614d209295246d939c0bdfc09973bbac97cf6715d7f9234073c3591a2",
    "signature": "0xdfb382fa1b52ed24767c87db8cb048e267bb975fc5820fcb7d55e7d9b5d72cf714ebcf4b4f733e6a04e8b18bfed586eae7ffb9303e114a39312bfa84638d4b6e1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}