{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325347",
    "entityType": "User",
    "nonce": "0x94b3096928d4705c1070439bdfde2a229163998dd063582e9c4358eecb84bff7",
    "signature": "0x7f19c94fa601ec83b5554ae2dec7d6ffc4b5e6245376ba99ce3cf764c46fd031674c533bba888ac3cd586b34df56bb48a680b8b3f0cd12181694d42d8b012b4c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}