{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49915",
    "entityType": "User",
    "nonce": "0x07caef3a2ecd68335312a16c2bd715b1d7ae51fbd2021fa5b52b92067adb77a0",
    "signature": "0x69fe592772346714823c130c5b4091de0702018727aa4510171fd24b7073bba20fe8bdfcc8a911a41bcce307775c58718db0c9271f441549c06b75082d3ecba51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}