{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332532",
    "entityType": "User",
    "nonce": "0x52abf310af6680a55be346b7566d79b250a537948ddc3d09570d2d435f6f7ad6",
    "signature": "0xb20ea5951f0e7b32ed2386f6854ce3d050107091b1c7052bb5f6fad8d4b5e203587cfde81790671b9f204779af9a328231362e5dce95a68207172358729c381b1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}