{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x3f939fb7a80febbf565aa2582c443abf26dd538b3bd153171c49a5ba5cb8fb1f",
    "signature": "0x7f1d33a6778cc33207e673d18b570523b97767dc003536b4c9c72cc94cc9621341bc2b7d7c2d2d68ee775dfc304d8092e4bbf78197faee3d3d89c295c632e0981c",
    "signer": "0xcBFBf860488b647E167A7020ac01A0A0c34Bf981",
    "userId": "4601100"
  }
}