{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166071",
    "entityType": "User",
    "nonce": "0x14fde9785851dd42feb07acef72b26ff606557e7c52d587fb7cc6d968a8116df",
    "signature": "0x8c4d11e935a1e6841e850ec19dd5e85ab63526a3424e1347b07d46c5e1ac96c075ae59ae964b1440c900b7632c5c92353c237e7a8cafde2e0c1bbed0da413afc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}