{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x3815762b6e4d784141571a4820297cf2bda72b58106c9949531acfa24eca8ed0",
    "signature": "0xd0f46ce76dcbee7be994005bf2128519ca345c917af583c7b2f45995eafdc13901f92b9e58f0aa9ff1a1f9a5c0d1034a7f167c16a295a97f138865ad8725700b1b",
    "signer": "0x14DFd5EDd904e1c348A6A5294873992bbdE69DC8",
    "userId": "73801109"
  }
}