{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319060",
    "entityType": "User",
    "nonce": "0x4c96384da7c154dc359fbe1c9d21da84b49f08c5d25f77eeb5f45f8314cb429a",
    "signature": "0xd4869d20bf311218eaedae50431ed6de06cbf3cb0deab8faf5882c45cf922dec31cbcc3761de1864fea47f7b7024ca1cc7ea68a4328513d824d02d365d379d4c1b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}