{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x676ba02fe246622a585f7b206bc1275ac3bd9f1cc5022e92c9ac0e65d66e4a5f",
    "signature": "0xc646f4e2c813548a559465af8e32a4ec53ddf13c4087ad6427ef3390591b94313e883be6a9a8347af82964f3fe695cb79cbfc6e316bb8d854fcf4e45cae1eb7e1c",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}