{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "709077025",
    "entityType": "User",
    "nonce": "0x93ebbaa19d96ed3db938d34ebf95a37044f2f4a17a96bede60b2a29a1a2be4b8",
    "signature": "0xcd07ea9577898371e280ea9abe4f090fd81d9d4f39137e1b1d7e16890bc3213863c628739c9133b6fbc86ac9cf78dd60d388566cecc3890f50c32c2de3b1a3011c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}