{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x5572591f67caa3ed09056575ce72e1c8b6f7d2f6881ba68fe8ea2791825843fc",
    "signature": "0x4340c34e65a8ea0367a478b36bd6cf073138d445708f3d03f39df7a5f3babefe20e77a2cff693c9987ee79c00abb7a66ce98ad0b86529fead402d6d82f51d0451c",
    "signer": "0x64b994B716782D5E615cBc0621118921dACE52E9",
    "userId": "433692728"
  }
}