{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148116554",
    "entityType": "User",
    "nonce": "0x9ef47018332e2b34ce2944cae91eb62a756d88133907e64e9e0c8f2036054924",
    "signature": "0x1c216824b71770d1b3dea2c5eaa65730dd15aec5669c375a2f77edd1d67f02394a8dc86b004891ce85d911145e34dcb7c45a085247e259e23f1d064c54bb38161c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}