{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329599",
    "entityType": "User",
    "nonce": "0x8d34a7b82d0aeebae642b00dd37157d123773ecc70a0609ff35d710f96dda036",
    "signature": "0x0cfa6a0c12a32f0a6f3cb156ef1938c40f1042af37b7f973b47b27d94ee9bb5d258849af5541cfa64b9609b647a18889cb275d81972599167ea2a87dacfe982d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}