{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x4e50dfc30d61053588655c197e058f20a75531b66759e16cddad8a55fedbba93",
    "signature": "0x80022781f46ce173ff1d420c195fd10d298a9d23b61c0149bf99769a498ecf8b7c2cf8fc552e937ffb5139d163d95c8ce724052ab835fa31745ae3ef3c5f16c81c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}