{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "805063314",
    "entityType": "User",
    "nonce": "0x71d7e452682f646a2c28afad8707f9b690fff6c16dd71fa2fc466e951d1f16eb",
    "signature": "0x8307efcda72b4991994b289f6ba2497fc4abcc8f9f3d3e797cd0facb04d6461a723c903e635e55de427ab2e8b0bc57654f02fd1fc1022811f3956d024b07d49f1c",
    "signer": "0x5156122E7f53a879786546b3133306b9F7814b9b",
    "userId": "781663071"
  }
}