{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x9fdc4d961dad0fc0af5606f2c95b2a3d56ffe9bb280b0ef90f978ae7ade85a97",
    "signature": "0xdabb44768d5cb5362d861a781e18b980e9bc0aa8147de85faa7077bcfd824778266e4dba96a3179e5983d56738c88ec6fbb007c236efbac83360becfcfbc43211b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}