{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104729",
    "entityType": "User",
    "nonce": "0x8b548209765ce3e5bc10cddce22a75323f53be04a25794513f8a317539ef0984",
    "signature": "0xd9c5441c9f8a923dc3dac62eb0810fcf6b43f8f66e17a0f624b38e9745606d2a77cea14fd753c3342257d891c608899fe9c6dcd50cd5d30a5c6832553d888c711c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}