{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36308",
    "entityType": "User",
    "nonce": "0x2e201904b2c753180e9374b406e42925292adeba3c60c61ac704f9b4ef4c98b0",
    "signature": "0x34e34c62aee00598d638ce9ce140515cc79560427606c84ed36273745cd705a46d532151d14a2d17e76fcacd0a00791b2357a874314365c41949a4bda540478a1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}