{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160950",
    "entityType": "User",
    "nonce": "0xda64498d48a058d53805c32c67d2dbe90a5b6880d7162595c1e4358f79b27009",
    "signature": "0x3bbdb355b446e7ef5fa73ee5cfca2941b27fe6e6a5f8ce5e802986ef9fae4cce393f7be885051eef52114884531775c6fedbab5e62ac4877979ea16fdc9e83821c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}