{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x7903e82a2d063453da81c5011455668363b67e68fdc9538f97cb3c01fa0abbf2",
    "signature": "0xe58bbae547d1715ccfa63f10c3bb9950ccd176b58a838eaa86f6a2c938e0475341137e5a169548bcd73653a78440f142243ea16feefcbc3cc39335d2f2b5b8671c",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}