{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949304110",
    "entityType": "User",
    "nonce": "0x97c34545d1488e2a81ead3d14f23d02eab68fdf53badabff8c1eb43f2b706dcf",
    "signature": "0x09740513c3a56cf95acf986c693635f971a6e283f87c7bd61526fe9556415c793e3e0725cd34963988439397e0d5e1b94190934e53acefa6c471337d4beb3be71b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}