{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x0c1179a92c2d7f460768b34905fb1d9e710a1945c0d547854a82962948deff38",
    "signature": "0x8d7d4de5c1ce4aa35f4f125aaa19fd3faef4e7f6aafdcc4ed5e1f3fbc8dd794c2365a73fb65ebfa29098e44f62fae50524150622fcdfe512eb1bc64a37b88b351c",
    "signer": "0xA14f5dF620E9B04F90af9b039d3c38167aA90b2A",
    "userId": "648437395"
  }
}