{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0x727906d6facdbcbbe7d0f7e957d5f7a3abb15a8f082c6759c31dc1a8c19b6c5f",
    "signature": "0xb7dc95f2c372b5cb03e4940f12dfefd64502183e7f6ee9edcf9b458d2648684f1060018405d0197e7c537f168e1a037fceced1f978d70e8c94617d15db4babbd1b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}