{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe9c9bf20aa1402279d4763d4ef58dc4859828444d7d2266113545ecbe77bf866",
    "signature": "0x413bfe4aa2f5c12380ab65b40a15b557b4c86ca71925c093d0a76b57dc4dcb3a51a7b7173725c71c37df55b306b0f181d40802b9ae223f062a8857e7ba5dd5221c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}