{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9479",
    "entityType": "User",
    "nonce": "0x8ef2240e8f205cc7f2fe38ff253376d00911481ebfd6e665b346752c13bdff9c",
    "signature": "0x318256cef99dd00be531d8a3e49963ed3a34c98cb00932c9edd04ec1472d7bbc4d415121077c39aeb854958d95304f0db99240aff7d3b3e373d69b3f9cda82fb1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}