{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51295",
    "entityType": "User",
    "nonce": "0x8a3a34a2f809de8e828b9e68b56936a30bafba5cda16fc82b28d5de6cae429aa",
    "signature": "0xb672875db5dec1ecfb3afeac490bb117540536547ac61f26f97e0c402abbb2a30d805f791886d459fa08cd4b55431dc8ff2ecc1fb21b9400a4b1b28a276781e31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}