{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "791433195",
    "entityType": "User",
    "nonce": "0x50d61aed3f144e7d07b2ed30ed396475768f9af01ec24c0c946de271c8ee224e",
    "signature": "0xc85f833da9009981dccaa496f27d0f857b2c1e15a145531ad547cfd992fa8e907d9777baba5b5c897a914c92698abcd32ca6d2e6837669425e9029a44564829e1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}