{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfcd6873fb82fabfa527532955c270afe364275acd1cd6ac0f9bb548972da6512",
    "signature": "0xf1a706fb3ef0a1523e49b38755a15cb5b6af7bcfa2a1fce3fc007d228f1d20ac0efa6b705f904e80f46ede30703af24b8af98ae96dd94d7f23a8edc67aa9bf8d1c",
    "signer": "0xF093f0280e9B6D0960D53fA1350112128074435E",
    "userId": "444066353"
  }
}