{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0xbeed9f979023d4c12ab20066528ae80c1db4456b9c9b1e8b0036198167a2926a",
    "signature": "0xd0b5f8a0f2471e9998137de38fb3de5d45e0748f66fc37f48f1c3d2a049da8387925cfc9faee13d2edd6bb2c64dbff39b94bcc3ea41d628ab056dfe75e5cdd851c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}