{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0x5f6bdf80f2e2e48dded1eb3671ced12fe3c785c3fbd8546fd30f027217370227",
    "signature": "0x5c1bec0a5bbfcd542bdbe72c3543f6c5ccb3c351397c330e4f2637e6011ca4752b388d562bb61ce109c6755431af48b6bf6a95429ad26332b509b48ccf6685c31b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}