{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195303963",
    "entityType": "User",
    "nonce": "0xa7107be552b148e68f3067e6bf22b42c200f60b3a785afd5c2dd523b3e17f924",
    "signature": "0xf6ed43f95d9b970921c8d1e8b1ded22b541f03664595de7c87d5dd5c9fa2c9ad718c1bd294f03d319d7f51d92e57870567da1a8b8bdc74bf84138dc61c7d64e91c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}