{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2040766",
    "entityType": "User",
    "nonce": "0x6c6e1558f5038452f1cfecbcf3c1f78c00897b3b47da1274335a397e4510ffdd",
    "signature": "0x79cabf82a47eb90e4a6e542971f3930f15e195b19e75fb9cdbda6da2818e2b0a09431b21408ac49bada8cbed5f8a60b7e965bb1b46ae288407578a4b4b0a11241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}