{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383612",
    "entityType": "User",
    "nonce": "0xa5bfc417f16e59bfa0ce33474fbcf7f2c7731455769febecfbe51f65e8524c34",
    "signature": "0x6a699dbdb62246c81b78d11e9992ccc046e5ee25681ac6e74b458a80490c42445f9e826824f28e3741748629a0ae63204feb7c1158c45db22681a835522df77f1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}