{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x2311a2b63bf1ccb910d6e2b93d80442b0bd635187c96410c27ee71bd835ad156",
    "signature": "0x73d4d4af7b18bf81d74650e414d63668a82b28ddf126f7853bbe3dd610230501496734ec7dc875d456a34b1d03cee177f223895d19078c4f136e7539ac377a011c",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}