{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x6b4987a2c2a64981eb3e9e58470b2e38c45d5e29a69ed3a78d1266b12186706c",
    "signature": "0x6b5694432a7fd4d0f2670a7acb0cfcc4a2df8a9bbd76e9bae388873d230553366764341bdaef3b1c514ccd90a918346a713097cbcafa23b43520c58a8185431c1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}