{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52954",
    "entityType": "User",
    "nonce": "0x474ab501ae746a23b35dcba137c4e52c90ce7545befae685921499a7c99caa4c",
    "signature": "0xc74a07eac8dd533c7b914ace6b5092132a4d19660c9a74427229e27c60291ebd388264f8cf9bfcdda4b72ebb350d0ee4e5f0a1ef82a95cdc7e416a6c55c30c4d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}