{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185615",
    "entityType": "User",
    "nonce": "0xd689045450b9d99276d701809c22d4bf8cc57dd23d15e719acbbef1c74db6d41",
    "signature": "0x760902e9f83c6ed425c118982ecde8671e6c4c8686de9a499f6bdb67e0d0a38666170189b951c2cb3f35ef9c135076f24330b4eecbf580d6a7c9b1bb1c8d8d8a1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}