{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63055",
    "entityType": "User",
    "nonce": "0x073e6dd8fab974097f6e21eb51bb9c26b300ef51761af7af1cb74db6a6953b7e",
    "signature": "0xa11e0b9df3245d563f057bef457c551802ba950ea699495c2a8384c389ef9c695853915aaca023938e8b313f07bac41d7b500d1d57f543ae089eae91fb7f02821b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}