{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895013760",
    "entityType": "User",
    "nonce": "0x2fd66baa7fe92540e5b0a082ced17f5db2c5ab91911978fec8df43ec7b7ef30b",
    "signature": "0x0407f08ee5d68c5c90f954dbd126f38a9d6765ecd0306194a0ad2043a7b7dae22046c3a9403f79a98520e8d09073bc6791ee7eb56c2637717350faac286e05db1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}