{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40588",
    "entityType": "User",
    "nonce": "0xf36ae538c5512b57ff84b8b81123fa37ed77e6f585a20b3ff5c51d49bc0de5e7",
    "signature": "0x13308746684c23bc44144aaa10b8f4a2a4d4cfc58aa7b0aacb75a8aaa113a1480b46128196213a0c745adab3d3bcf5ea3adef91d786a6d19d72dfd8231ba6d001c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}