{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166113",
    "entityType": "User",
    "nonce": "0x7d339c66eae60946ce47700f72db052fc697427e3c853dfcc5f86db33928b4de",
    "signature": "0xd6fa64f6693852352903c1a3d889f9c3ac6cedd7dacbdf94282feb82c8093429357eab0c3d79b52915d8a11ce2950350286abe1268bb5f81e7a537d82344cba21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}