{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173254082",
    "entityType": "User",
    "nonce": "0x8c36d10c7a8be71e4c411a0656c0c4aaef3210c1b97daff0cc731ab5c0cfa118",
    "signature": "0x0ac0cecd4b80b13a84d82dc715422da5bb67d5cd87be77121099d0798e2bd88a02003e3f895317d4bb47eab6762dad07148a32e732fc2e8ac9c632e0b435edd71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}