{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x91435f5e4a5f261356c76479507f4b015a6d8e0d3d8d4fedf5420351a47141c3",
    "signature": "0xf6996aef4781735b31b924ce0b47a3a0402c98fad8bec6384f78f6c698f9c8695c2827d9f3e3995ac654f9eec97cb3d353dbf4e2e2750d78dcd4b2c79c6a6d501b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}