{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa614d00154ede6b49ab5678db0a5543e1348d15fdeec77f82821efa24bee29ff",
    "signature": "0x4e8d4d5230b5f3a25aed47726cd0ae00748a4e5062f0c87df1fd8751bfa342b869386e9e841296bc2d3417b35d0474077e7125a92c137583a1a1806d107e52581b",
    "signer": "0xfA70b89eceee2616AdA59B58615C6009d8aec0ed",
    "userId": "562544487"
  }
}