{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9cce1925ca241658ee232d9f2d6f863f57d4503e36ee771f96b2dedf7a5d1f94",
    "signature": "0xe367353810914e4fc016c077762aacefea804ee8e6647d6b394d425f0c990286422732a6bffa5fb84c6b19b358a489302a6c0bee081d0529a91e268f92adc3df1b",
    "signer": "0xE45b28F5F106Ae49FC2e536581AF201F3CeE6381",
    "userId": "626695920"
  }
}