{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311766",
    "entityType": "User",
    "nonce": "0x51716ee51d21b4961b62978b9ce6e65c80b463cf09c4e02d6854d8ec7104eed6",
    "signature": "0x80eaa650ddb7747738ec0e153c2c919ac81dfdc8644ab3ea7056ec0d0ef47c1700c0d5e6dc9130e062390edc0ed98359baa55f4c40b41d3ba553bdca2ae752321b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}