{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188143",
    "entityType": "User",
    "nonce": "0x293051769d924bacf525ff2e137bf2d044147c8a6d6a05b52b515ebd76cce77f",
    "signature": "0x3a204c0a43cafc45fa42b3d3c58cb568394629531caa986241862efb84aa90425b46beb60897e626619982ed3c30ed5175cd21966d1f6e0aaa9484ce7470d39d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}