{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2036160",
    "entityType": "User",
    "nonce": "0x4cf3c798f264aef62d1aa11e05ab48335e83bd626d7edc5cdd913f0640a9af9e",
    "signature": "0xd85e6abb83195f2ac28e43f450050f8b35be7eba8c2622ac7d060f39784dc83a22b64aef9bb90fc0a852a2d2ef2afe7f1f9fd10cbee8af747be28820dc9ba2af1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}