{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4556730c8e8e788be94dc4add477ae22a06d3f59faa28b4e08446b7bc3ceeed7",
    "signature": "0x6359a4f76768add8e0acc3a648b953915a1cdb97304c4b7cbad4deafaacdf13b0f8926bf2fc06f5f8d5e7879476331587b5de171791d2e8b5ea1a5d5fc718a461b",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}