{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362907",
    "entityType": "User",
    "nonce": "0xf71197e9845a955897cfbb3f4fc64e351bbc7b03076b374906fd4f80f4624791",
    "signature": "0x648ce23c74cae51a0acec5b91630f77ca22f7b66fd8fa63f3c9e0342dcd014b4274ab3bbbacb4a167a9ec460697e6ce8608126d4830609876cc6f7d21e0eba591b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}