{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0x0d7620dd97955a37d00435719bad71b29477f3d2524d071caf48102f9e9af8d4",
    "signature": "0xba9f6cd2bfcaf411a3128d9879996163e7850030e8f3667ea5b41c777b86a61f4b788fcb0016acc55d2b27a16ec9f7ac967308b5574b818eba19d04bf452e43b1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}