{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55879",
    "entityType": "User",
    "nonce": "0x900e47c5ab1151e4e0cb56e3c7631b202e6d8ff5269e07e2469389a2ce9a4970",
    "signature": "0x57c6ae4a3d0235147b8aa2b288a87701cc215c60d4e71ab90a494082814e92f360807333526f8e60063084ffc456fba04c18cf286facc6f633f2a11dff4a92dc1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}