{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55589",
    "entityType": "User",
    "nonce": "0x362db3fc6f33c679480623c71eb07ed5a4ccbf3137b6bf99751e971a23281ced",
    "signature": "0xc41e7b3019f830e79ab894a10cf98cb988b921c9069598331c236f26749bb796659708e96a3e62439d34728eb2771b8fa63a70c45e2bd051018e448da901a9db1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}