{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0x7b40fc1880136db1c0504c0f3fe12e0e9e7d194a85cc492c9b4ce582f7907e6e",
    "signature": "0x8f4b71de2b4c3d107446fd84ae8c8c3f4f683312300589bea851ca0e015189ad044336195d78512edf7e6405510d685830a5a9424649e71aa3eea23517605ac71c",
    "signer": "0x216825d141Adea3A0A5a65aD345DB831Df6fF225",
    "userId": "842509080"
  }
}