{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115288",
    "entityType": "User",
    "nonce": "0x1572e513ca31251ed6af1f7e9b4b7914974c8d2a9914b74c0b121557d73c77df",
    "signature": "0x69a243063c72cab2be0c25f62391fff8eec75a1280a4df28270a9f62c094bef87d684e53b276ead2bce6edb25ae03b5174f640e50edec66d488d8617560764641c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}