{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xaaae4d065a6898233c2b0bfe8bdd984ab81c31467e909e1ae90d44618f89852b",
    "signature": "0x257935d6858f74402170644f144e4c29d88ddc40070b3d07238adaca2fcf0d2147aec5314661d39e5bc043b9d918a0d81859e49b500b8bd556aac4241c7955f21c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}