{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "852026949",
    "entityType": "User",
    "nonce": "0x8a365a7dbe9fcaaa294d7aa658be9981b62118344fad1595c80660fb91f9d475",
    "signature": "0x2b0fb53683c58da5f4248ccb27ac82fea46ca3e7119c5eccd7f3095e6a1229663947e9c421d1554350a6d449907fd2500603ed42f46ae8b69cfdd1611f7316291b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}