{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0x7ec1db8c7d7642408940cbfe0f36ffa05d4cbb1733c71bb78fa1d27e12b6b4b3",
    "signature": "0x052f6fe8b8762a645ad2f3a517d35ca9e64e52810430ef3826818f247c4c72d623e2903175b5f652cdb8a6b31d934545c8ce4a2e3eec5aae24311153feda315f1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}