{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374007",
    "entityType": "User",
    "nonce": "0x9ae2718bbe4f8b9e05c2019890d14c322968d67bb8077a7839e75ae1f6ad9728",
    "signature": "0xd8e5b0eb7f5565a0e734e8bbc2cc299be0e225eb45c5724968501a42331e97d6304edc518d423e36e565bf15ec9aac569cd63e5953e8321b2df22450f7f8383e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}