{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xcd3c9b82a0fbf709a252ab7a3d8930643f7de9358b9e01bdcdf1729ccd415e26",
    "signature": "0x2e8ee767783f0f3cbcfbedd6fc218af7c8a519c911bbb1564bde3f45afe083d402226fc9eb125a8c2f2bf223bef280336ff944314545b7161e0ff6a0e954dd4b1c",
    "signer": "0xede5a1527271aFb900714b8Faf61EE0714131C19",
    "userId": "329941643"
  }
}