{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x25cc6ef90799e82e8c791f9dbad2df3bd0f839fd4f8237475520e3364d753838",
    "signature": "0x2425d973977f1f32a74102c41430af92a21afcfe0c906c20daf970b1116dc4c4315201b9818762e5365b41c6d9eca0a2611c37dbfd94209d6e9ef8f270d429801c",
    "signer": "0xa6C9cbbC3f798CE0cc732F04bb2d73b10a0a0A82",
    "userId": "71468076"
  }
}