{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xca5ba4a2f1037428ad0f7fdf077f3ceee5126600b15248216161bc5e9c19d4d4",
    "signature": "0x2e80193e796c2b6668466f0627a6fec2511ba571acc0a25f72a63e98f3d49fa70c4dd673e8a7b00291bb3d090c461537a5dd93279baa28aa67b7d70f4f3ad5e21c",
    "signer": "0x1E659605E3B855b8DF63160e8D6d69aD5A6F94c8",
    "userId": "359711420"
  }
}