{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "565684571",
    "entityType": "User",
    "nonce": "0xd283f4aa66c60ad2c7cb3c1dc6309a4e471a12a6885c6eba3229c245b212709c",
    "signature": "0x13dfa5b479c44e463790917d3354cc58bbc2965cb6cb1dc8eac3cabe4de92d7b726afdf11f922970650504c0077ad3243269dd2933d2ead47ea48a9fdb5d457f1c",
    "signer": "0xbf2b22f22056C7D1Df6aD2Cf3daa8EBb52E32d38",
    "userId": "425964130"
  }
}