{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0x9278e3af75711426597feb1f2e44a3e3d36e13b82f5d6dc68633a102a157c006",
    "signature": "0x74c57f3ad864f32ee03d2af956d6c7d33cf97427f1aa19e034a877bc3e4182697b94f7588ef26840e3496eeab68a2747a567e35c4c751ca9203128903ffb4c361c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}