{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xfeb8345ece6ab9f5c55bb545e78a01ca6a9c215ec13cdb14669df42f154a3f74",
    "signature": "0xbce602a1a6449ebe9a0b793e1f824f6ac448cc4602706669072f8c15c12dd7ba4fa9495ea8622d314be814c76cf76518e419e844a8eb81da3fecd5a23351caef1b",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}