{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217552",
    "entityType": "User",
    "nonce": "0xea56322b47fa123e70e086b9a5b9f071fd82197f89bed3e16928211391693430",
    "signature": "0xeaf50d6d7b8d22c88eacdad7bedf690dd346b4125009fa15ce4aa6147c2df1536d1ace1408dbf1826003a6e74f30d29248396f46215d5a317052b6cae2dd0c6d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}