{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67628",
    "entityType": "User",
    "nonce": "0x89f05c7a17dd5d63171b5b7a2c64d953543bff605f509f088f7f8e58f6129ca9",
    "signature": "0xa891d27bb3f4f8c43a7ff8893f650df87d4365fd387fff2baa2a76658d834af32bc6cee5e805377490f66b4e3e1586ee69044693654fa2f262e49dbcba71f0a31b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}