{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218057",
    "entityType": "User",
    "nonce": "0x844ffd172f27ad2225dbfce8549673990a6496cc78821a0942dae8e18cb6e99e",
    "signature": "0xa856413aa8a534238261866e2cb5ae389284a4965c1bc825fa361a4751add60e7e7999ce332d7dc74eeda533be58a8baffdc6fabedef7d5b8195e5125af0b6af1b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}