{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0xbe000f48c1c307e85c3a0018ade8c5e3cef8288732168b5a8ceaeef1c4894155",
    "signature": "0x64bba1916e6ea932b1ed7b6e6e664c5fdce103797952a6e6fa67732941766015486471ed06b966cd66fdc6fdefbebceaa434ed37fa99654d3ec808867c08620e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}