{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84730",
    "entityType": "User",
    "nonce": "0x6d215c4389552de0675ae19d6c604de8a0f5294abcb1dce41f793b4908988949",
    "signature": "0x0ed14fd04e582f0490dec29a709b18ad25065689f242fe39646d95b71771873c531e7a25e2a830a271e28d89b346e68742c35d86e8b54fe42d1546d793d1e7ff1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}