{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273050718",
    "entityType": "User",
    "nonce": "0xc6a81455e47c5db476b28714c79055aa546ee7378bc7d8065e584cdc7f475019",
    "signature": "0x37e676c5feeff81fa7268be55b9bc25cb144fed2d6e68272408ab0bf516e468625ab3aa899a9bd617d772e4c27a7aceeb4d79d97c0638831871192b65ab4c6ef1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}