{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134142",
    "entityType": "User",
    "nonce": "0xb6fefaabcbf6b727dcfe666ac16dbf2a04328710cedd6cf4e7d73709537bcbfe",
    "signature": "0x8fa71092dec7b75db057b4f48e4e01252290b9a7651a83ed9e45493447b5df165199a66f45c278ad63f2579fb8274b174502442f1b1d556dd6419a5c1a6adf691b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}