{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101240",
    "entityType": "User",
    "nonce": "0xd595b911be6fae8569d42ca133a786db6d39a29cb1940cbfd829fe2236104b37",
    "signature": "0xbb78f468ab74a560b4c80b0106b3b33161cc7c77ee49d84c6a68adcea521320e4494bf22f6f69d8625be64f2f09b16e7327e06063096e9975e87f4854ffa907c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}