{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680566462",
    "entityType": "User",
    "nonce": "0x32291c51baaed589cc2f6e0bf6e36a7dc8182f193276a69e5bb6e2e56c5a5167",
    "signature": "0xab300eb2202dd25238b2bbcce8fde477de1f48e6ca017bff2b8293a1f44162dd6b956d719cf522a95b3cce11283e0df2bd6f622b9be1eeeae594f2c15ef501bf1c",
    "signer": "0xa37427942ff4495B570abDfC6D11B56AbCbe4930",
    "userId": "27982723"
  }
}