{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279426",
    "entityType": "User",
    "nonce": "0xfc5b9e0fc77b09e8aadd41a6f31c6f0d5e718bce3a858b9bc13b226ca215a105",
    "signature": "0x6cd394b62d9498554c3d7e315bffac81ee9352d20258d5501ab5c63190bdbae933cae316ffe266bc678c4b326d9b786cc38cd9eed64b0f8ef1f7358a4f0be6b91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}