{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1340092",
    "entityType": "User",
    "nonce": "0xce05f21a6eca7015e60809ef951e5fa03dc663e966ed05b0aa2c2faa7c4f29ae",
    "signature": "0x1f9e41fa366ba532e634fd6d56013eb5b0a32cafbe5466bc1a91a2b6e67e090024decef6bd8cc445e8a943fb9bdaf5ad2d3ff4f6a0b27bcc0b53a342d97b54751c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}