{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319152511",
    "entityType": "User",
    "nonce": "0x1da1947ad66986e09ca48189263c2903bb02550e77b637393358ff31ae9a8fb8",
    "signature": "0x0b8fe6e99ed1d6b2ca8c772e6594d7a47d30ceb28741e4726d6d0685bef7704862ef272f22b7a737fecd6ce3c047c2d70669074acde29356be61c6918c77f6b71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}