{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x3fedec85c4db6a469450f6a09bb42a80ae4852207b6107bcdd481451c29ecc89",
    "signature": "0x846d68970bdb6ac9552b96ebd27e387cff7f361915370f8379689db0ef3b675b162e7f4fcd8c242400a8f49d58c4132ba2d2f43c7c76c32e3210d3c9ab2671dd1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}