{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56270",
    "entityType": "User",
    "nonce": "0xabe30b3ae7a342ec74984561eb88450f25c20a5af8a4f73b832bcf0c5eabc788",
    "signature": "0xa94337e749e439d31afc963a2e3983a8276a7164a1adfd881d763791399cee17176f74c83b0251548753689bc397e8d6af210fee92c01b929d4e92958e776f791c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}