{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc95fae8f45d772b1d65a11b85ee07fe0458426633a1455da323823e2afc999e8",
    "signature": "0x75ca294d5cd0bcd0fbd5033995c6a77963c3f61ba98261b02bc72eac0cb9c543568e7707b5797438c35136e62cb3a865def3a15b24b03a0e12dd18c6b708335a1c",
    "signer": "0x3074f7E591e0C82fD63bd49E8e6F12C81546Aeae",
    "userId": "311529160"
  }
}