{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0xf9e836a40e5099440deef310f8daabb53f5fac51bbc701fbacc7a70e45f5e370",
    "signature": "0x19f343eb327ebe20df3f20d6fdf0cc2aa20ef05a0febc59b371ffb8de23ac1c76f3fb14952698788388f9bc123bdc474e8eed586130788c986c24381ecfa2ade1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}