{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0x9febf7d42970bf8c3d1e4db867d698f8d1dbf93399ccc14f2fbf99f73a0efc99",
    "signature": "0x915f77efa5b78b9cac3e6b5074b24a2c4f7a6b50f196438d6f7b52d05ff937265919bc2fb3fca77415e28a7cc86f86f4992bf1d55c94da0a69f7951d506e2b721b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}