{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17543",
    "entityType": "User",
    "nonce": "0x98d502d676406e29b672613930b73b2e97a2ab80318b6a3f23ef4deaa40e26bd",
    "signature": "0x1e084bfef9ebb08912b063f21f4937b995ec1eba3571a9b5ee8ff05786c7c5f32d2af0be0f5d4815ddd0a429451d899ea59ddaff0bbe04ca3263a37db2d444df1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}