{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602782067",
    "entityType": "User",
    "nonce": "0xc10c273b241e9bb85d329a2e74259be0724d976ab34c11662d8ff2cc3fe76f4e",
    "signature": "0x1c0ca9d1f36cc697f994460b76a740826bb45c44877b4935c81ff1f095f6b9210221fc4cc3f1f8cbf0b7a25719f753727288f4790ec4bdeba447c5de7a1e0ded1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}