{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf0711d1d114d8c0a5ce6753b69bbed24c8a9576f9b708a4289ecc8b77054b0f3",
    "signature": "0xc6afdd6ccc088e81759534499f2d0e5b0862743c04d294e334b62d5048e7035f36b60a93096bf8ea424c2eddb4e88d66e813b1db32027c4f8cc0388961acb3941b",
    "signer": "0x5a6b321e0BEdb8C3b8b61525E73f0f55F236842e",
    "userId": "962437765"
  }
}