{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226205",
    "entityType": "User",
    "nonce": "0x3ec8d3cee98b05f741fe50c4b2a84f91ac733f81c8961483b495b7fcc9e1fbc6",
    "signature": "0xb42dc8950b9070daa8146a2d4e8aa20704b7bf1192c9325d25f1be4047f620e97d239cb7623bd67782498e54727c074e74258393ce16e7e985ff3b795badb8731b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}