{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140916",
    "entityType": "User",
    "nonce": "0xb774df866d1c7926e325fd429f4f7396519a3348726a66153d12897ed37027f0",
    "signature": "0xdc83adab51537dc4369a66dbfc2fce4013a39ff0e5eaa354421c5e4aacff069964631f597422fe4db19ac0c4227b899f202a1e1ec9f4113a7b43a349345f870b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}