{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0xa7ca7284f35bb15952de8d9e81503edcd79202ace66e4dc6bfcde7345d51a7d3",
    "signature": "0x2d9c2ceddf0992def8ffbd3f9ef89011b445f3fc6f2aecbb8313817038e19bde704b861bc4823d6617e534ba62631f562255e6aefc6299e79c03d670e7f741ba1c",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}