{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc402ad47f459a58d241a072e12e1955ac0d5888a81da235bb978a8c20772a835",
    "signature": "0xcb8c59eee28b2507b67ba53962693cf08a65edf0253803a1709e315bd361d3350747a1f11a6210e5cca433ae4804e534db2f4cc64705c81cbdd1d6f393820c111c",
    "signer": "0xA4beBC30A66b5FBB6f7C4b0c2A9322461Aa2c5aB",
    "userId": "117419655"
  }
}