{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb0c8b8bf79116c57dbf5f41a0e0d1b838a5ce535b1c7196ac6bb3d5895ba620",
    "signature": "0xedab1bd295e7d7f9b4bd145cea449766afd71ac5594bdae6831a392fc5e082bc617a657a0a056fd9e8f5c5cb7e76c0de23e4111cb641b92d5bd8326d57e42e9a1b",
    "signer": "0xa8809AD853823f793fF7680111dC9B3A1151420b",
    "userId": "367095507"
  }
}