{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65605",
    "entityType": "User",
    "nonce": "0x749b76137831c0e590e0fbe2d7da65b1678771e410acb40470079a0335f2d689",
    "signature": "0xfc2877028ccc51e08a46eab62806801751fcc954919382c074b91d76c1fa824122fab73d32045348db9ea81d4c6c508874b9ee285ea050f3582b456385b9ff451c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}