{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53571",
    "entityType": "User",
    "nonce": "0xa966b87b2e055220dc51a6f9462eef86693b32b3c602eaa8e331b4ed19cd03b6",
    "signature": "0x7f01a7965e118e21587c2cbd520538876ca39d401e3b5b6beafb1d05be78851774cb7a27608a2908c6e41b59ec72ed7401622afe8082951cfb332aa6b1ed6e8d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}