{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914397884",
    "entityType": "User",
    "nonce": "0xde2f99049f9ccb46974249fa7c2cd0cdbf89b6e687c113dba51478f3d60d9800",
    "signature": "0x33d77cd11d97c6d71d6cbfc10a5aae445384b792c53496d7ee568a7609e2ad1538d2964d3b01d0ed34b33646df85463fcda619596d166d0b891cfc5bd848559d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}