{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79678",
    "entityType": "User",
    "nonce": "0x4a413c61ef779eac65ab9f799459fc8664a801a2d9a89e3845fe469c62fc6047",
    "signature": "0xa7dd74a05dc4c45f4e6fa47063691345b8844903db9825545c0280acfea13e890ef71ae9c6937387a8190b7bf55d750d66d31c1e339d690a8044d070adfc47901b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}