{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x56979a8ba5d82d44c84180ea8de5be7ac06601fc75703afafcd50a36fbd818fe",
    "signature": "0xf36dc9a9fce27d6857d2e1ab6f9ac3d825c9b9dd43548d4e43155b958ad38b2363d8a9fded0fec085afb37200adb3fe51db6d2fbab398b53d8a68351b279cf061c",
    "signer": "0xaCEa944E637Ed70d0846f218FeF88B644E2AA918",
    "userId": "221007610"
  }
}