{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb5775af2d0ff5a8fdc913de24d8d4f8227ffb2773a3e344e95486414e502f574",
    "signature": "0xf4deae66427c941d1c114ead67971435ab5049c05e027b8e9765e02907cf959035aec4a0e15bd9a74a644e77c6537e38a74b9c1d0a57d1f2b1d6c1c8986293201c",
    "signer": "0x6bFdA7F67147F3B5a1029c91BF1574cC86EC9e5F",
    "userId": "696810334"
  }
}