{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325",
    "entityType": "User",
    "nonce": "0x3c04a904660a349a4bcc0f69f43a10ebdf8347408adc9212e7317907122a649c",
    "signature": "0x5b322f66f8f7658c027debf90f7099e03dfac4ca2aba537ea53d39d1e76c58b12935a99d1d149c77378b04d48126f38dafbafb2ea555c1fce23fae94cacf50e21c",
    "signer": "0x6245d270201FE6e26477efA986E8C4035bF65C71",
    "userId": "36222594"
  }
}