{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1966617",
    "entityType": "User",
    "nonce": "0x54ab59c4e1659c798cea9644c73479bec18db5e942ea8f96fc9ef48254a2aa5f",
    "signature": "0xc7c719d98240a191c51264a6962784880eb9818a7c9b4a332b3ae9e72947b24e4ac3256ef18bf54f1d0ac741459bc86e360934b26c2e7a4794f6038bc0e9a4051b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}