{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56104268",
    "entityType": "User",
    "nonce": "0xfd00b90ab8fafb82203f5cb6ae3de8854650fefbfa4d34d3089fcf2634a219f6",
    "signature": "0xefc8e28df87685a98975a59a4a76d83a41337be4f612b37f422d6f395e97b6195daebd5974c1b1e087eb2bf3ce5705021443001e8e2167a05e16524d4d86aebc1c",
    "signer": "0x1e9DA20D40109Aabf05CCf219726674708d157D3",
    "userId": "860164979"
  }
}