{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0x7941e1a8a12e6887389ef692d6135f76f68e4948c5b7a6da2c02d0928502606b",
    "signature": "0x90000917f83c1a381ca81c60018acfc0f7f111dc7d19f5697394ddafc45f806a10cad8b22b2dbb912ecc8f03b3130eb4e3999e5ef5a869016502afba94c8924e1c",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}