{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72237",
    "entityType": "User",
    "nonce": "0x3223cee92c040e29aa96a860dfea2467050fc92f93244735cdd2222ecaa2f300",
    "signature": "0x3ad478ad22c3453589cfc254c242dd1748399f7f0490b3aad4cfa01088c40adb403814297a2300c34b86474db4460fa714cfae81b275e5b806838db22b072c7c1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}