{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244566317",
    "entityType": "User",
    "nonce": "0x756be7a80a6d3d327a27a1aeeed2948ed06b71a7e82a252389e840e3d737e01d",
    "signature": "0xb6169027431b8c31cd237a10d44852f149d79a54ea9e5ffedbcdb3858acdff2067b7a0fc4bb0cf047a4142d818b5eb135e71c807487890dbfa5b6ae01bae74811c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}