{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134142",
    "entityType": "User",
    "nonce": "0x3c9dfb1a5f2805bc6de5758341f7a1f760a0f42ccd9a07d3f16aff94882da8b4",
    "signature": "0x9749dadf589b0c535f4beb691e664152119f0ccb47d72588f299cd9006f8433a3147df6285113a7b286a8ae35b7f7de131b0795041367c18a2fa2a038182374c1c",
    "signer": "0xE056Cc66880683A29B77CF9a0948DB5404aC9891",
    "userId": "743180230"
  }
}