{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316501",
    "entityType": "User",
    "nonce": "0x5e72f35e73b06a7a4df2d99fa418a30cc3092c97d12b2f490db69c6614aa81c2",
    "signature": "0x2add73d892be0c11948f94c46a10d320c4dd5e4e684301cdbe73512d758b624431b3051106f35c9c27ca055f8817c4d922692eccc14b5fec68bbabed65ddac401c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}