{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293157",
    "entityType": "User",
    "nonce": "0xb2562d422b9a140085d3ade8d1190914e3bd80adc1044071fb0f5cb3a1f2223e",
    "signature": "0xe597f91d81b8a5a78a9808e3b39196abb0d6554a81d3fb8d24037a9348fa6c315e3fca0bee59e0ebeff24444646420b29ae6b16e08b26d395243bed8b2d3ba1e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}