{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "388695",
    "entityType": "User",
    "nonce": "0x1e8ffe6c025bd2492421536528b55f503e114de2fd377153d78fc8219bec5834",
    "signature": "0x1837361a2d73c9dfdc77577aaa1fee4213d2b9b4cdaa2e035c976ef844d0c2bc2a27c26010baa874f90b21672f9e5af69635f01a705de0f7113dc0df94fa63321b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}