{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353157",
    "entityType": "User",
    "nonce": "0x10be888e04d28c2ddf78ca149380baa9cac6f2325aa6d2b20a7c973d619d3203",
    "signature": "0xecc48d6d347fa73d3e76b0e10ffdc8ec29dc7957ab4e973577c16ce4f6ab7ba81e041b2881bce789d84d4cbb73e4866ef882164cbb8eeb02a7e29a8b4efe45661c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}