{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200165",
    "entityType": "User",
    "nonce": "0x5e5dc27c024f3fe377a5613e8235aa60dd38d64173aefbc27e804710d890b269",
    "signature": "0x244355c1add4b84301add7fab7a1c123f17bff41d716f3bc0a715cb5743da3586cc691578572d0b884fe38d84c0f33221a1fcdf7a7ca0401d59de7fece2858fe1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}