{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169613",
    "entityType": "User",
    "nonce": "0x21436ecdbc396b1bc9dd71bf7dbd9f5d117234a095ba7ce51d81b16a958a57b8",
    "signature": "0xd11a89964967290d8651867313e4d413777ec53ab36fda73a58aa9572c30eb315e7128df6c0239e8032502aea629e6b3d0aec3dd3822b73643f9958b2b9709451c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}