{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x5531e27695acda0a1cae7f4d44009d8fb40837f5a7f8e65de8081f246497d2c5",
    "signature": "0xdb0965b4855abdd0fec391551f2cc47ea1a7c38eb04b4027bb035aa49c39440c18b98c558e64cee4db1b22608ff149bda4acff8e9dae423aafafb9e96f6d08b51b",
    "signer": "0x3ce98eEb540e9f90ae2BB6588CEc86ABa4099408",
    "userId": "8601343"
  }
}