{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4571bf94a4ce8b25e0da1a0d760c52373cee98d5cbe901f5c4cd27b43a5e9a03",
    "signature": "0xd429c9a712efadf736e51b39c81e26bef163ce3f4d479efddd6aa1859eb9aea439330a6ce60734ce0d795952f00a66c768255115650244e67abacfe9e45f67cb1c",
    "signer": "0x025eb3697DCc7C20f6B249c18F57d6FF519660a7",
    "userId": "234476329"
  }
}